[ 1987.635034][T26965] br0: port 1(dummy0) entered blocking state
[ 1987.635243][T26965] br0: port 1(dummy0) entered disabled state
[ 1987.635440][T26965] dummy0: entered allmulticast mode
[ 1987.636457][T26965] dummy0: entered promiscuous mode
[ 1987.659594][T26966] br0: port 1(dummy0) entered blocking state
[ 1987.659976][T26966] br0: port 1(dummy0) entered forwarding state
[ 1989.611770][   T70] dummy0: left allmulticast mode
[ 1989.612735][   T70] dummy0: left promiscuous mode
[ 1989.613119][   T70] br0: port 1(dummy0) entered disabled state